/Engine/Plugins/Runtime/GeometryCache/Source/GeometryCache/Classes/GeometryCacheTrackTransformGroupAnimation.h
Sets/updates the MeshData for this track
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)() void SetMesh ( const [FGeometryCacheMeshData](API\Plugins\GeometryCache\FGeometryCacheMeshData) & NewMeshData )